Hi Michael, On 23/09/15 10:55, Michael Ellerman wrote: > On Tue, 2015-09-22 at 18:15 +0100, Andre Przywara wrote: >> On 22/09/15 15:06, Andrea Arcangeli wrote: >>> Andre, could you see if linux-next (which includes -mm) works for you >>> by just running "cd tools/testing/selftests/vm/ && make"? If there's >>> any further change required could you diff it against linux-next? >> >> This doesn't compile now for me, because it looks into >> /usr/include/asm/unistd.h, which I keep to the distribution copy of it. >> Also linux/userfaultfd.h is missing, because it's brand new. > ... >> I guess the right solution would be to hack the Makefile to set the >> include path to the kernel's copy of include/uapi, though I am not sure >> this works cleanly for different architectures and separate build >> directories. I will give this a try ... > > Not that's not the right solution. > > The right solution is to export the kernel headers, the Makefile will pick them > up (at least in linux-next): Actually that was I was hoping for, I just missed the possibility of headers_install to put the files back into the kernel tree (I usually use it with INSTALL_HDR_PATH for packaging). > > $ cd linux > $ make headers_install > $ ls usr/include/ > asm/ asm-generic/ drm/ linux/ misc/ mtd/ rdma/ scsi/ sound/ uapi/ video/ xen/ > $ make -C tools/testing/selftests TARGETS=vm > ... > $ ls tools/testing/selftests/vm/userfaultfd > tools/testing/selftests/vm/userfaultfd* Yes, that works. Now I have just to figure out how to arrange this with out-of-tree build directories. Cheers, Andre. -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
